Home / 269,281.26-371,606.09-148,422.78

Finding the Fourth Proportional to 269,281.26, 371,606.09 and 148,422.78

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Solution

The fourth proportional to 269,281.26, 371,606.09 and 148,422.78 is: 204,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,281.26 : 371,606.09 = 148,422.78 : x
  2. Step 2: Convert to fraction form
    269,281.26/371,606.09 = 148,422.78/x
  3. Step 3: Cross multiply
    269,281.26x = 371,606.09 × 148,422.78
  4. Step 4: Simplify right side
    269,281.26x = 55,154,808,200.62
  5. Step 5: Solve for x
    x = 55,154,808,200.62/269,281.26
  6. Step 6: Final answer
    x = 204,822.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.